Open links in new tab
  1. Nature
    https://www.nature.com/articles/s41467-022-30910-7

    General recipe to realize photonic-crystal surface-emitting

    • Figure 1 shows a schematic of mutual couplings of waves inside a square-lattice PCSEL, where a double-lattice photonic crystal is employed. The Hermitian couplings, which express the optical couplings wi… See more

    Frequencies and Radiation Constants at The Îł Point

    In this section, we consider a PCSEL with infinite size, for which the electric field distribution is … See more

    Nature
    Threshold Margin For Single-Mode Lasing in A Finite-Sized Pcsel

    Next, we consider a finite-sized PCSEL and derive the conditions for increasing the threshold margin between the fundamental mode and higher-order modes originating from the sa… See more

    Nature
    Concrete Design of Single-Mode Ultra-Large-Area PCSELs

    Figures 5a, b show the cross section and the top view of the designed PCSEL for single-mode ultra-large-area operation. In Fig. 5a, a GaAs photonic crystal layer is placed nea… See more

    Nature
    Lasing Stability Analysis Considering Carrier-Photon Interactions

    Finally, we analyze the lasing characteristics of the designed ultra-large-area PCSELs with the time-dependent 3D-CWT22, which considers not only the mutual cou… See more

    Nature
    Photonic Crystal Surface-emitting Lasers – architecture, operation ...
    Learn about the architecture, operation principle, and features of PCSELs, a type of surface-emitting semiconductor lasers with a 2D photonic crystal structure. Compare PCSELs with othe…
    RP Photonics · https://www.rp-photonics.com/p…
    Feedback
    Table of Contents
    Frequencies and Radiation Constants at The Îł Point
    Threshold Margin For Single-Mode Lasing in A Finite-Sized Pcsel
    Concrete Design of Single-Mode Ultra-Large-Area PCSELs
    Lasing Stability Analysis Considering Carrier-Photon Interactions
     
  1. Nature
    https://www.nature.com/articles/s41586-023-06059-8

    High-brightness scalable continuous-wave single-mode photonic …

  2. Nature
    https://www.nature.com/articles/d42473 …

    Laser tech that could cut into manufacturing emissions

    A 1-kW PCSEL for cutting small enough to fit in the palm of your hand may be ready by 2023, and is a fraction of the size of today’s fibre-laser equivalent. This PCSEL system is also much more...

  3. arXiv.org
    https://arxiv.org/pdf/2309.03457
    [PDF]

    Demonstration of high-power photonic-crystal surface …

  4. kyoto-u.ac.jp
    https://pcsel-coe.kuee.kyoto-u.ac.jp

    Center of Excellence (COE) for Photonic-Crystal Surface-Emitting …

  5. AIP Publishing
    https://pubs.aip.org/aip/apl/article/123/14…

    The future of photonic crystal surface-emitting lasers

    Oct 4, 2023 · In recent decades, a new type of large-area surface-emitting lasers based on the in-plane photonic crystal modulation and feedback have emerged to show superior advantages of high output power, low-divergence, high beam …

  6. People also ask
    How much power does a pcsel use?
    In 2021, they demonstrated a 2‑mm‑diameter PCSEL with an output power of 29 W. Yagyu says that to scale up to 100 W of power, the PCSELs need to be 3–4 mm in diameter. “But increasing the size still distorts the laser beam too much.” Noda says his group expects to achieve usable 100-W PCSELs within the year.

    Laser tech that could cut into manufacturing emissions

    nature.com
    What is the output power of a pcsel spectral linewidth measurement system?
    ed by themeasurement limit of our spectral linewidth measurement system, and an output power of ~5 W in afabricated PCSEL with a 1-mm lasing diameter under continuous-wave operation. We expect th erof the PCSEL (for example, to ≥ 3 mm) [16,17] as well as by de eloping a stabilized low-noise c oherentoptical communications and optical sensing s

    Demonstration of high-power photonic-crystal surface-emitting lasers

    arxiv.org
    What is the CW output power of a photonic-crystal surface-emitting laser?
    A CW output power exceeding 50 W with purely single-mode oscillation and an exceptionally narrow beam divergence of 0.05° has been achieved for photonic-crystal surface-emitting lasers with a large resonant diameter of 3 mm, corresponding to over 10,000 wavelengths in the material.

    High-brightness scalable continuous-wave single-mode photonic-crystal

    nature.com
    What is a pcsel laser?
    In this way, the laser beams from the ten PCSELs are combined into one very powerful and high-quality beam. A 1-kW PCSEL for cutting small enough to fit in the palm of your hand may be ready by 2023, and is a fraction of the size of today’s fibre-laser equivalent. This PCSEL system is also much more space efficient.

    Laser tech that could cut into manufacturing emissions

    nature.com
    When will a 100 kW pcsel be available?
    Noda says his group expects to achieve usable 100-W PCSELs within the year. Yagyu says that Mitsubishi Electric’s PCSELs, designed for eventual mass-production, may be available in prototype form as soon as next year. “We expect to be producing 1 kW PCSEL modules soon afterwards,” he says.

    Laser tech that could cut into manufacturing emissions

    nature.com
    What is a photonic-crystal surface-emitting laser (pcsel)?
    The photonic-crystal surface-emitting laser (PCSEL) 9, 10, 11, 12, 13, 14, 15 shows potential to overcome the above limitations of conventional semiconductor lasers. The PCSEL achieves lasing oscillation of a two-dimensional standing wave at a singularity (Γ, M and so on) point in its photonic band structure.

    High-brightness scalable continuous-wave single-mode photonic-crystal

    nature.com
    Feedback
  7. IEEE Xplore
    https://ieeexplore.ieee.org/abstract/document/10727813

    Kilowatt-Class High-Peak-Power Pulsed Operation of Large

  8. kyoto-u.ac.jp
    https://pcsel-coe.kuee.kyoto-u.ac.jp/tec…

    Technology | Center of Excellence (COE) for Photonic …

    100-W-to-1-kW Single-Mode Operation. By further expanding the concept of the double-lattice photonic crystal mentioned above, we have recently derived a general recipe for ultra-large-area single-mode operation of PCSELs.

  9. Optica Publishing Group
    https://opg.optica.org/abstract.cfm?uri=CLEO_SI-2024-STu4C.3

    Kilowatt-class high-peak-power pulsed operation of large-area …

  10. RP Photonics
    https://www.rp-photonics.com/photonic_…

    Photonic Crystal Surface-emitting Lasers – architecture, …

    Learn about the architecture, operation principle, and features of PCSELs, a type of surface-emitting semiconductor lasers with a 2D photonic crystal structure. Compare PCSELs with other laser devices and find suppliers in the RP …

  11. Some results have been removed